<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml"
	  xmlns:th="http://www.thymeleaf.org"
	  xmlns:sec="http://www.thymeleaf.org/thymeleaf-extras-springsecurity3">
   <head>
	       <title>Spring Security Example </title>
	   </head>
   <body>
       <div th:if="${param.error}">
	           Invalid username and password.
	       </div>
       <div th:if="${param.logout}">
	           You have been logged out.
	       </div>
       <form th:action="@{/login}" method="post">
	           <div><label> User Name : <input type="text" name="username"/> </label></div>
	           <div><label> Password: <input type="password" name="password"/> </label></div>
	           <div><input type="submit" value="Sign In"/></div>
	       </form>
   </body>
</html>